Cemented versus uncemented stems for revision total hip replacement: A systematic review and meta-analysis

Table 4 Study characteristics for the studies about the uncemented stem

Ref.	Total number	Country	Journal	Study type	Centres	Level of evidence
Mahoney et al[20], 2010	40	United States	JOA	ORS	Single	3
Hasegawa et al[22], 2021	45	Japan	International Orthopaedics	ORS	Single	3
Zheng et al[23], 2021	34	China	OSJ	ORS	Single	3
Wallace et al[24], 2020	55	United Kingdom	J Arthroplasty	ORS	Single	3
Zang et al[25], 2019	40	China/Japan	JOS (Hong Kong)	ORS	Single	3
Herry et al[26], 2019	116	Multi	International Orthopaedics	ORS	Multi	3
Shen et al[27], 2014	34	China	COAJ	ORS	Single	3
Wang et al[28], 2020	73	China	Hip International	ORS	Single	3
Singh et al[34], 2013	53	India	IJO	ORS	Single	3
Tsukeoka et al[41], 2011	14	Japan	Modern Rheumatology	ORS	Single	3
Oetgen et al[29], 2008	28	United States	JOT	ORS	Single	3
Sotereanos et al[36], 2006	16	United States	JBJS	ORS	Single	3
Philippot et al[35], 2009	43	France	OTSR	ORS	Single	3
Thorey et al[30], 2008	79	Germany	AOTS	ORS	Single	3
Malkani et al[31], 1996	74	United States	JOA	ORS	Single	3
Mulliken et al[32], 1996	66	Canada	CORR	ORS	Single	3
Meding et al[33], 1994	24	United States	JOA	ORS	Single	3

ORS: Observational retrospective study; JOA: The Journal of Arthroplasty; OSJ: Orthopaedic Surgery Journal; CORR: Clinical Orthopaedics and Related Research; AOTS: Archives of Orthopaedic and Trauma Surgery; OTSR: Orthopaedics & Traumatology, Surgery & Research; JBJS: Journal of Bone & Joint Surgery; JOT: Journal of Orthopaedics & Traumatology; IJO: Indian Journal of Orthopaedics; OSJ: Orthopaedic Surgery Journal; CJRRS: Chinese Journal of Reparative & Reconstructive Surgery; JOS: Journal of Orthopaedic Surgery (Hong Kong); COAJ: Chinese Orthopaedic Association Journal.